What is the IUPAC name for CH₂=CH-CH₂-CH₃? But-1-ene But-2-ene 1-butene But-3-ene Javobni ko'rsatish 📝 Batafsil tushuntirish The longest chain has 4 carbons with a double bond starting at the first carbon. IUPAC nomenclature uses the suffix "-1-ene".
